我姓许却不能许你一袭白纱
[wŏ xìng xŭ què bù néng xŭ nĭ yī xí bái shā]
The user's surname is 'Xu,' which means 'to promise.' However, the name conveys that even though he/she has this meaningful surname, it doesn't enable him/her to make promises of love or marriage, like promising white bridal gowns.